Croozer Designs 535 Double Child 3 in 1 Bicycle Trailer, Swivel Wheel, and Fixed Wheel Stroller (Orange/Sand/Black) Two-child carrier with stroller, jogger, and bicycle trailer in one Features two separate seat areas for each child with comfy bucket seats and a rear air vent Ultra-quick flat-folding mechanism allows easy, fast storage Measures 32 inches in height, weighs 33 pounds; backed by limited lifetime warranty Includes carrier, bicycle hitch arm, two axle-mounted hitches, safety flag, eight-inch stroller wheel, 16-inch wheel, and two 20-inch wheels